Description
B450M Steel Legend
- Supports AMD AM4 Socket Ryzen™ 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors
- Supports DDR4 3533+ (OC)
- 1 PCIe 3.0 x16, 1 PCIe 2.0 x16, 1 PCIe 2.0 x1
- AMD Quad CrossFireX™
- Graphics Output: DisplayPort, HDMI
- 7.1 CH HD Audio (Realtek ALC892/897 Audio Codec)
- 4 SATA3, 1 Ultra M.2 (PCIe Gen3x4), 1 M.2 (SATA3)
- 2 USB 3.2 Gen2 (Rear Type-A+C)
- 6 USB 3.2 Gen1 (2 Front, 4 Rear)
- Realtek Gigabit LAN
Specifications:
| Unique Feature | |
| ASRock USB 3.2 Gen2 | |
| - ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s) | |
| - ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s) | |
| ASRock Super Alloy | |
| - XXL Aluminum Alloy Heatsink | |
| - Premium 60A Power Choke | |
| - Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors) | |
| - I/O Armor | |
| - Sapphire Black PCB | |
| - High Density Glass Fabric PCB | |
| - 2oz Copper PCB | |
| ASRock Steel Slot | |
| ASRock Ultra M.2 (PCIe Gen3 x4) | |
| ASRock Full Spike Protection (for all USB, Audio, LAN Ports) | |
| ASRock Live Update & APP Shop | |
| CPU | |
| - Supports AMD AM4 Socket Ryzen™ 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors | |
| - Digi Power design | |
| - 6 Power Phase design | |
| Chipset | |
| - AMD Promontory B450 | |
| Memory | |
| - Dual Channel DDR4 Memory Technology | |
| - 4 x DDR4 DIMM Slots | |
| - AMD Ryzen series CPUs (Vermeer) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* | |
| - AMD Ryzen series CPUs (Matisse) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* | |
| - AMD Ryzen series APUs (Cezanne) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* | |
| - AMD Ryzen series APUs (Renoir) support DDR4 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* | |
| - AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3533+(OC) / 3200(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* | |
| - AMD Ryzen series CPUs (Picasso) support DDR4 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory* | |
| - AMD Ryzen series CPUs (Summit Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933(OC) / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory* | |
| - AMD Ryzen series CPUs (Raven Ridge) support DDR4 3466+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory* | |
| - Max. capacity of system memory: 128GB** | |
| - Supports Extreme Memory Profile (XMP) memory modules | |
| - 15μ Gold Contact in DIMM Slots | |
| *For Ryzen Series APUs (Picasso, Cezanne, Renoir and Raven Ridge), ECC is only supported with PRO CPUs. | |
| Please refer to below table for AMD non-XMP memory frequency support. | |
| BIOS | |
| - 128Mb AMI UEFI Legal BIOS with multilingual GUI support | |
| - Supports "Plug and Play" | |
| - ACPI 5.1 compliance wake up events | |
| - Supports jumperfree | |
| - SMBIOS 2.3 support | |
| - DRAM Voltage multi-adjustment | |
| Graphics | |
| - Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU* | |
| - DirectX 12, Pixel Shader 5.0 | |
| - Shared memory default 2GB. Max Shared memory supports up to 16GB.** | |
| - Dual graphics output: Support HDMI and DisplayPort 1.2 ports by independent display controllers | |
| - Supports HDMI 1.4 with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz | |
| - Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz | |
| - Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 1.4 Port (Compliant HDMI monitor is required) | |
| - Supports HDCP 1.4 with HDMI 1.4 and DisplayPort 1.2 Ports | |
| - Supports 4K Ultra HD (UHD) playback with HDMI 1.4 and DisplayPort 1.2 Ports | |
| *Actual support may vary by CPU | |
| **The Max shared memory 16GB requires 32GB system memory installed. | |
| Audio | |
| - 7.1 CH HD Audio with Content Protection (Realtek ALC892/897 Audio Codec) | |
| - Supports Surge Protection | |
| - PCB Isolate Shielding | |
| - Individual PCB Layers for R/L Audio Channel | |
| - Gold Audio Jacks | |
| LAN | |
| - PCIE x1 Gigabit LAN 10/100/1000 Mb/s | |
| - Realtek RTL8111H | |
| - Supports Wake-On-LAN | |
| - Supports Lightning/ESD Protection | |
| - Supports Energy Efficient Ethernet 802.3az | |
| - Supports PXE | |
| Slots | |
| AMD Ryzen series CPUs (Vermeer, Matisse, Cezanne, Renoir, Summit Ridge and Pinnacle Ridge) | |
| - 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)* | |
| - 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode) | |
| AMD Ryzen series CPUs (Picasso, Raven Ridge) | |
| - 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode) (If you use Athlon 2xxGE series APU, PCIE2 slot will run at x4 mode.) | |
| - 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode) | |
| AMD Athlon series CPUs | |
| - 1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)* | |
| - 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode) | |
| - 1 x PCI Express 2.0 x1 Slot | |
| - Supports AMD Quad CrossFireX™ and CrossFireX™ | |
| *Supports NVMe SSD as boot disks | |
| Storage | |
| - 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug* | |
| - 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Vermeer, Matisse, Cezanne, Renoir, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with Athlon series APU and Raven Ridge 2)** | |
| - 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module | |
| *M2_2 and SATA3_3 share lanes. If either one of them is in use, the other one will be disabled. | |
| **Supports NVMe SSD as boot disks | |
| Supports ASRock U.2 Kit | |
| Connector | |
| - 1 x COM Port Header | |
| - 1 x TPM Header | |
| - 1 x Chassis Intrusion Header | |
| - 1 x Power LED and Speaker Header | |
| - 1 x RGB LED Header* | |
| - 1 x Addressable LED Header** | |
| - 1 x AMD Fan LED Header*** | |
| - 1 x CPU Fan Connector (4-pin)**** | |
| - 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)***** | |
| - 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)****** | |
| - 1 x 24 pin ATX Power Connector | |
| - 1 x 8 pin 12V Power Connector | |
| - 1 x Front Panel Audio Connector | |
| - 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) | |
| - 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) | |
| *Supports in total up to 12V/3A, 36W LED Strip | |
| **Supports in total up to 5V/3A, 15W LED Strip | |
| ***The AMD Fan LED Header supports LED strips of maximum load of 3A (36W) and length up to 2.5M. | |
| ****The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. | |
| *****The CPU/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. | |
| ******The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. | |
| CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP and CHA_FAN3/WP can auto detect if 3-pin or 4-pin fan is in use. | |
| Rear Panel I/O | |
| - 1 x PS/2 Mouse/Keyboard Port | |
| - 1 x HDMI Port | |
| - 1 x DisplayPort 1.2 | |
| - 1 x Optical SPDIF Out Port | |
| - 2 x USB 2.0 Ports (Supports ESD Protection) | |
| - 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) | |
| - 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) | |
| - 4 x USB 3.2 Gen1 Ports (Supports ESD Protection) | |
| - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) | |
| - HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks) | |
| Software and UEFI | |
| Software | |
| - ASRock Motherboard Utility (A-Tuning) | |
| - ASRock Polychrome SYNC | |
| UEFI | |
| - ASRock Full HD UEFI | |
| - ASRock Instant Flash | |
| - ASRock Easy RAID Installer | |
| *These utilities can be downloaded from ASRock Live Update & APP Shop. | |
| Accessories | |
| - I/O Shield | |
| - 2 x SATA Data Cables | |
| - 2 x Screws for M.2 Sockets | |
| Hardware Monitor | |
| - Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans | |
| - Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans | |
| - Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans | |
| - Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans | |
| - CASE OPEN detection | |
| - Voltage monitoring: +12V, +5V, +3.3V, Vcore | |
| Form Factor | |
| - Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm | |
| OS | |
| - Microsoft Windows® 10 64-bit / 11 64-bit* | |
| *Summit Ridge do not officially support Windows® 11. | |
| Certifications | |
| - FCC, CE | |
| - ErP/EuP ready (ErP/EuP ready power supply is required) |
